Mounted High Energy Precision Pinholes

產品名稱 : Mounted High Energy Precision Pinholes
產品說明 :
● Pinhole Material: copper
● Pinhole Finish: Gold plated and black finish
● 6.5mm diameter clear aperture:
● Housing: 25mm diameter blackened aluminum mount.
● Mounted thickness: 2.54mm
● Engraved aperture size on it.